(2S,12Z,14E,16S,17S,18R,19R,20R,21S,22S,23S,24E)-1,2-Dihydro-5,6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-2,7-(epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)furan-8-carboxyaldehyde, 8-azine with N,N-diethylacetamide, 21-acetate 94168-98-6 Rifametane Rifametane [USAN:INN] Rifametano [INN-Spanish] Rifametanum [INN-Latin] Rifamycin, 3-(((1-(diethylamino)ethylidene)hydrazono)methyl)- SPA S565 Spa-S 565